KWS OPTI is a modern boiler for solid fuel with an attractive design and price. Ashpan due to large size allows for easy ash remove. Thanks to the thermal shields and insulation door of the boiler operation becomes more comfortable. By using a standard blow sleeves on both sides of the boiler combustion chamber, the boiler is adapted for mounting a fan and steering. Blower kit is available as an optional feature and is designed to be assembled by the installer.

Advantages of the boiler:
- High thermal efficiency 88%
- Modern and attractive design
- Increased combustion chamber
- Economic fuel consumption
- Ability to work with the draft regulator
- Ability to work with the standard control system and a fan